Astromania 2 Inch Upgrated O-III Filter - Bundle with - 1.25" Next Generation Laser Collimator 2" Adaptor

With Astromania Alignment 1.25" Next Generation Laser Collimator 2" Adaptor for Newtonian Telescopes you will get perfect alignment of your reflector's optics, and faster than with standard collimators. Precise collimation ensures that you will enjoy the sharpest possible images.With this Laser collimator get the best image from your telescope you need to align your telescope regularly and this high quality laser collimator is an essential for this purpose. 1MW or 5MW red laser Seven adjustable brightness levels 1.25" in size. To use for all reflective telescopes 45- degree reticle plate made of aluminum for easier visual accuracy. The battery is not include.

• Designed for Reflector telescope; with removable 2" adapter both fit for standard 1.25 inch diameter and 2 inch diameter; Red laser collimation beam with 7 brightness levels; wavelength 635-655 nm; Output power: less than 5mw; much safer for your eyes. This sturdy laser unit allows you to swiftly and precisely collimate your Newtonian telescope; Only when the optics have been accurately collimated can the telescope offer you its full performance
• Precision aluminium housing has front opening which laser beam can be emitted for optimal adjustment; side window allow 45 degree disk with central hole to be viewed; used to see whether laser is reflected back on itself; indicate well collimated optics
• The laser comes fully adjusted however further adjust if required; it has three openings for adjustment; arranged at 120°; which are initially sealed; small screw cap at the rear of the laser must be first unscrewed to allow this
• New Upgrade: Astromania Upgrade Edition OIII Filter is used for capturing the gas tails and gas flows of comets; with the two brightest C2 emission lines at wavelengths of 511 and 514 nm; the full width at half maximum wavelength is less than 15 nm
• Fused Silica Matrix: The OIII filter is made of silica matrix and has an aluminum metal casing. It features dichroic interference and anti-reflective coating; it is suitable for areas with light pollution and dark sky areas to enhance contrast